EP2188620A1 - Composes utiles comme ligands et notamment comme chromophores organiques de complexation des lanthanides et leurs applications - Google Patents
Composes utiles comme ligands et notamment comme chromophores organiques de complexation des lanthanides et leurs applicationsInfo
- Publication number
- EP2188620A1 EP2188620A1 EP08804305A EP08804305A EP2188620A1 EP 2188620 A1 EP2188620 A1 EP 2188620A1 EP 08804305 A EP08804305 A EP 08804305A EP 08804305 A EP08804305 A EP 08804305A EP 2188620 A1 EP2188620 A1 EP 2188620A1
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- European Patent Office
- Prior art keywords
- ring
- compound
- pyridine
- heteroatoms
- optionally
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Classifications
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- C—CHEMISTRY; METALLURGY
- C07—ORGANIC CHEMISTRY
- C07D—HETEROCYCLIC COMPOUNDS
- C07D401/00—Heterocyclic compounds containing two or more hetero rings, having nitrogen atoms as the only ring hetero atoms, at least one ring being a six-membered ring with only one nitrogen atom
- C07D401/02—Heterocyclic compounds containing two or more hetero rings, having nitrogen atoms as the only ring hetero atoms, at least one ring being a six-membered ring with only one nitrogen atom containing two hetero rings
- C07D401/04—Heterocyclic compounds containing two or more hetero rings, having nitrogen atoms as the only ring hetero atoms, at least one ring being a six-membered ring with only one nitrogen atom containing two hetero rings directly linked by a ring-member-to-ring-member bond
-
- C—CHEMISTRY; METALLURGY
- C07—ORGANIC CHEMISTRY
- C07D—HETEROCYCLIC COMPOUNDS
- C07D401/00—Heterocyclic compounds containing two or more hetero rings, having nitrogen atoms as the only ring hetero atoms, at least one ring being a six-membered ring with only one nitrogen atom
- C07D401/14—Heterocyclic compounds containing two or more hetero rings, having nitrogen atoms as the only ring hetero atoms, at least one ring being a six-membered ring with only one nitrogen atom containing three or more hetero rings
-
- C—CHEMISTRY; METALLURGY
- C07—ORGANIC CHEMISTRY
- C07D—HETEROCYCLIC COMPOUNDS
- C07D409/00—Heterocyclic compounds containing two or more hetero rings, at least one ring having sulfur atoms as the only ring hetero atoms
- C07D409/14—Heterocyclic compounds containing two or more hetero rings, at least one ring having sulfur atoms as the only ring hetero atoms containing three or more hetero rings
-
- C—CHEMISTRY; METALLURGY
- C07—ORGANIC CHEMISTRY
- C07F—ACYCLIC, CARBOCYCLIC OR HETEROCYCLIC COMPOUNDS CONTAINING ELEMENTS OTHER THAN CARBON, HYDROGEN, HALOGEN, OXYGEN, NITROGEN, SULFUR, SELENIUM OR TELLURIUM
- C07F7/00—Compounds containing elements of Groups 4 or 14 of the Periodic Table
- C07F7/02—Silicon compounds
- C07F7/08—Compounds having one or more C—Si linkages
- C07F7/0803—Compounds with Si-C or Si-Si linkages
- C07F7/081—Compounds with Si-C or Si-Si linkages comprising at least one atom selected from the elements N, O, halogen, S, Se or Te
- C07F7/0812—Compounds with Si-C or Si-Si linkages comprising at least one atom selected from the elements N, O, halogen, S, Se or Te comprising a heterocyclic ring
- C07F7/0814—Compounds with Si-C or Si-Si linkages comprising at least one atom selected from the elements N, O, halogen, S, Se or Te comprising a heterocyclic ring said ring is substituted at a C ring atom by Si
-
- H—ELECTRICITY
- H10—SEMICONDUCTOR DEVICES; ELECTRIC SOLID-STATE DEVICES NOT OTHERWISE PROVIDED FOR
- H10K—ORGANIC ELECTRIC SOLID-STATE DEVICES
- H10K50/00—Organic light-emitting devices
- H10K50/10—OLEDs or polymer light-emitting diodes [PLED]
- H10K50/11—OLEDs or polymer light-emitting diodes [PLED] characterised by the electroluminescent [EL] layers
-
- H—ELECTRICITY
- H10—SEMICONDUCTOR DEVICES; ELECTRIC SOLID-STATE DEVICES NOT OTHERWISE PROVIDED FOR
- H10K—ORGANIC ELECTRIC SOLID-STATE DEVICES
- H10K85/00—Organic materials used in the body or electrodes of devices covered by this subclass
- H10K85/30—Coordination compounds
- H10K85/351—Metal complexes comprising lanthanides or actinides, e.g. comprising europium
-
- H—ELECTRICITY
- H10—SEMICONDUCTOR DEVICES; ELECTRIC SOLID-STATE DEVICES NOT OTHERWISE PROVIDED FOR
- H10K—ORGANIC ELECTRIC SOLID-STATE DEVICES
- H10K2101/00—Properties of the organic materials covered by group H10K85/00
- H10K2101/10—Triplet emission
Definitions
- the present invention relates to the use of compounds comprising at least one 2- (1- H -tetrazol-5-yl) -pyridine moiety as ligands for lanthanides and, more especially, as organic chromophores for complexing these elements.
- the complexes according to the invention are likely to find applications in many fields.
- they can be used in photonics and optoelectronics, especially for forming light-emitting devices such as light-emitting diodes, but they can also be used in biology, for example for the preparation of luminescent probes.
- Ln lanthanides
- Ln 111 ions In general, lanthanides form their most stable compounds when in the +3 oxidation state; the electronic structure of Ln 111 ions is that of Xenon for La 111 and then corresponds to the filling of orbital 4f up to [Xe] 4f 14 for Lu 111 .
- Lanthanides are known in the literature for their luminescent properties which can be used in many applications in the fields of photonics, optoelectronics and biology (optical and magnetic marking and imaging).
- Currently, most studies with lanthanide complexes have been directed towards the establishment of luminescent probes containing long-lived visible light emitters, such as Eu 111 and Tb 111 , or near-infrared spectrum transmitters such as Pr 111 , Er 111 , Yb 111 or Nd 111 .
- Lanthanides are particularly interesting for applications in photonics and electronics because their emission properties are unique. Indeed, they have very fine emission bands providing a high purity to the emitted color. Moreover, the lifetime of the excited states is particularly long and the quantum luminescence yields are high. In addition, the emission ranges can be adapted and it is possible to obtain lanthanide complexes emitting in the wavelength range from ultraviolet (UV) to near infrared (IR).
- UV ultraviolet
- IR near infrared
- a suitable organic chromophore which is generally a conjugated system with high absorption in the UV-visible as a diketone, capable of absorb the photons and transfer them efficiently to the lanthanide ions.
- the absorbed photons will excite the molecule and pass it into a singlet state that can relax to return to the ground state or pass into a triplet state by intersystem conversion.
- the triplet state of the metal is lower, energetically speaking, than that of the chromophore, then there is transfer of energy (by Forster or Dexter mechanism) from the triplet state of the chromophore to the triplet state of the metal which returns to the ground state by emitting light.
- a number of different architectures have been proposed to date to sensitize the lanthanide ions.
- the chromophores comprise pyridine, bipyridine or terpyridine units capable of sensitizing the emission of lanthanides emitting in the visible. These units have been functionalized with carboxylic acid groups in order to form stable complexes with lanthanides (Latva et al., Journal of Luminescence 1991, 75, 149-169 [I]). Interesting quantum yields have been obtained for the complexes thus formed. However, their stability remains low. It has, moreover, been shown by
- 2-hydroxyisophthalamide derivatives included in tetrapodal architectures have also been found to be effective in raising terbium, leading to high quantum yields for this lanthanide (50-60%) but, on the other hand, low for europium (6%) (Petoud et al., Journal of the American Chemical Society 2003, 125, 13324-13325 [4]), while satisfactory quantum yields (of the order of 44%) were obtained for europium by the introduction of 2-hydroxypyridones in dipodal architectures (Moore et al., Inorganic Chemistry 2001, 46, 5468-5470 [5]).
- a ligand of a lanthanide as a ligand of a lanthanide and, more especially, as an organic chromophore for complexation of a lanthanide.
- the compound corresponds to the general formula (II) below:
- n is an integer from 1 to 5;
- Y represents the remainder of an organic molecule which is linked to the 2- (1- H -tetrazol-5-yl) pyridine (x) n moiety (s).
- Y represents an aromatic ring which optionally comprises one or more heteroatoms and / or one or more substituents.
- heteroatom any atom other than carbon or hydrogen such as, for example, an oxygen atom, nitrogen, sulfur, halogen, phosphorus , boron or silicon, this heteroatom typically being a nitrogen atom, oxygen or sulfur and, preferably, nitrogen when it is part of a cycle, whether this cycle is aromatic or not.
- substituents be halogen atoms or functional groups comprising at least one heteroatom as, for example, -COOR ', -CHO, -OR', -SR ', -SCOR', -SO 2 R ', -NR'R ", -CONR'R", -C (HaI) 3 groups , -OC (HaI) 3 , -C (O) HaI or -CN in which R 'and R "represent a hydrogen atom or an alkyl group, preferably a Ci-C 3 , while HaI represents an atom of halogen, preferably fluorine, chlorine or bromine
- a particularly preferred substituent is the carboxylic acid group.
- the aromatic ring which may be represented by Y is preferably a pyridine ring, substituted or unsubstituted, in which case n is advantageously 1 or 2 (which means that this pyridine ring is linked to one or two units).
- Y is a pyridine ring, it is preferred, on the one hand, that the carbon atoms of this ring, which are located in the meta position of the nitrogen atom, are not substituted.
- the pyridine ring is linked to a single 2- (1H-tetrazol-5-yl) -pyridine unit, then this unit is preferably located in the ortho or para position of the nitrogen atom of this ring. while, if the pyridine ring is linked to two 2- (1H-tetrazol-5-yl) -pyridine units, then these two units are preferably located in the ortho position of the pyridine ring nitrogen atom or although one of these units is located in the ortho position while the other is located in the para position of said nitrogen atom.
- the compound has the formula (III) below:
- R 1 represents a hydrogen or halogen atom; a 5- or 6-membered aromatic ring or a sequence of several 5- or 6-membered aromatic rings, typically of 2 or 3 rings, linked to each other by a covalent bond, this ring or at least one of these cycles comprising possibly one or several heteroatoms, typically 0, N or S, and / or one or more non-cyclic substituents; or a linear or branched Ci-Ci 2 optionally containing one or more heteroatoms; and
- R 2 represents a carboxylic acid group; a 5- or 6-membered aromatic ring, optionally having one or more heteroatoms, typically 0, N or S, and / or one or more non-cyclic substituents; or a unit of formula (I) above.
- R 1 may especially be a phenyl or thiophene group, optionally substituted, in particular with one or more halogen atoms, such as 4-bromophenyl or 2-bromothiophene, or a diphenyl group. , dithiophene, pyridin-2-yl-phenyl, optionally substituted, in particular with one or more halogen atoms or one or more C 1 -C 2 alkyl groups or C 3 -C 12 silylalkyl groups.
- halogen atoms such as 4-bromophenyl or 2-bromothiophene
- Y represents a non-aromatic ring optionally comprising one or more heteroatoms, typically O, N or S, and / or one or more substituents, or a group of formula - (CH 2 ) p - Z where p is an integer from 1 to 6 and Z represents an aromatic or nonaromatic ring, optionally having one or more heteroatoms, typically 0, N or S, and / or one or more substituents.
- Y is preferably a group of the formula - (CH 2 ) p -Z where p is 1 or 2 and Z is a non-aromatic ring of 5 to 9 members.
- this non-aromatic cycle it may be a 5- or 6-membered ring as conventionally used in organic chemistry, for example cyclopentyl, cyclohexyl, cyclopentadienyl or phenyl, but it is preferred that this cycle has a number of links more high, for example 9, and comprises from 2 to 5 heteroatoms, advantageously nitrogen atoms, in which case this ring is preferably linked to as many 2- (1H-tetrazol-5-yl) -pyridine units that it comprises heteroatoms.
- Such rings are the triazacyclononane and tetraazacyclononane rings.
- Y may also represent a ring-free group.
- Y may represent a carboxylic acid group or a linear or branched C1-C12 hydrocarbon group, this group possibly comprising one or more heteroatoms and / or one or more substituents.
- the lanthanide is chosen from europium, terbium and neodymium.
- the subject of the invention is also a complex of a compound as defined above and of a lanthanide, in which the said compound plays the role of an organic chromophore of complexation.
- Such a complex may be represented by formula (IV) below:
- Ln represents lanthanide
- COM represents the organic complexing chromophore
- m is an integer corresponding to the number of complexing organic chromophore molecules that are bound to the lanthanide, which number depends on the number of coordination sites presented by the lanthanide.
- the lanthanide is in the +3 oxidation state, in which case it has 8 to 12 coordination sites and, typically, 9.
- the complex comprises in total 3, 4 or 5 units
- the complex comprises, as complexing organic chromophore, a compound which corresponds either to the formula (III) represented above, in which R 1 and R 2 have the same meaning as above, either at the general formula (II) shown above and wherein Y represents a group of formula - (CH 2 ) P -Z where p is 1 or 2 and Z is a non-aromatic ring of
- the complex comprises a compound which corresponds to any of the particular formulas (II-a), (II-b), (II-c), (II-d), (II-h), -i) and (II-j) shown above.
- the lanthanide is preferably europium, terbium or neodymium.
- n is an integer ranging from 1 to 5;
- Y represents an aromatic or nonaromatic ring, which is linked to the 2- (1H-tetrazol-5-yl) pyridine (x) n unit (s) and which optionally comprises one or more heteroatoms, typically O, N or S, and / or one or several substituents, or a group of formula - (CH 2 ) P -Z where p is an integer ranging from 1 to 6 and Z represents an aromatic or nonaromatic ring, optionally comprising one or more heteroatoms, typically 0, N or S and / or one or more substituents, which group is attached to the 2- (1H-tetrazol-5-yl) -pyridine (x) n unit (s).
- the compound preferably corresponds to any one of the particular formulas (II-a), (II-b), (II-c), (II-d), (II-e) , (II-f), (II-h), (II-i) and (II-j) shown above.
- FIG. 1 represents the structure of a first europium complex according to the invention as resolved by X-ray diffraction.
- FIG. 2 represents the structure of a terbium complex according to the invention as resolved by X-ray diffraction.
- FIG. 3 represents the structure of a neodymium complex according to the invention as resolved by X-ray diffraction.
- FIG. 4 represents the structure of a second europium complex according to the invention as resolved by X-ray diffraction.
- FIG. 5 represents the structure of a third europium complex according to the invention as resolved by X-ray diffraction.
- FIG. 6 represents the structure of a fourth europium complex according to the invention as resolved by diffraction X-ray.
- FIG. 7 shows the electron excitation spectra of a europium complex according to the invention (curve A) and of a europium complex of the prior art (curve B) as well as the absorption spectra of a glass substrate (Sl curve) and an ITO substrate (curve S2).
- the lanthanide triflates were supplied by Aldrich and their metal content was titrated before use in the presence of EDTA and orange xylene.
- the elementary analyzes were carried out by the Central Analysis Service (Vernaison, France). Absorption spectra were recorded on a Varian Cary 50 UV-visible spectrophotometer. The low resolution luminescence measurements in solution (lifetime, triplet states, and quantum yields) were measured on a Perkin-Elmer LS-50B spectrometer. 298K.
- the spectrometer was adapted using a liquid nitrogen cooling system. Measurements of the singlet states were made in methanol at room temperature while measurements of the triplet states were made in the solid state at 77K with a delay of 0.2 ms. The solid state measurements were also performed on a Spex Horiba Jobin Yvon Fluorolog ® FL 3-22 Spectrometer with a double monochromator and a Hamamatsu Photonics R-928P photomultiplier.
- the spectrometer was adapted with a measuring channel equipped with a FL-1004 monochromator and the power of the irradiation was measured using two Jobin Yvon InGaAs detectors: a DSS-IGA020L detector. (range: 800-1600 nm) cooled to 77K, and a detector DSS-IGA020A (range: 800-1700 nm) working at room temperature, inserted in an LN2 cabin including an elliptical mirror (90 °) and coupled to a system of Jobin Yvon SpectrAcq2 acquisition. All spectra have been corrected.
- the luminescence life times were measured by recording the maximum decay of the spectrum and the signal obtained is modeled by a monoexponential function under Origin ® 7.5. The reported values correspond to the average of
- Solutions for quantum yield measurements have an absorbance of 0.2 in a 2 mm thick Suprasil quartz cell.
- Cells for luminescence were prepared by dissolving isolated complexes in methanol of spectroscopic quality.
- A is the absorbance at the excitation wavelength
- n is the refractive index
- D is the integrated emitted intensity over the entire spectrum.
- Solid state quantum yields were determined with the Fluorolog FL 3-22 spectrometer with a custom integration sphere from Oriel and the procedure is described by de Mello et al. (Advanced Materials 1997, 9, 230-232 [8]). The spectra were corrected according to the instruments with an absolute method with a sphere of integration.
- TPDTZ which corresponds to the compound of particular formula (II-d) represented above, is synthesized starting from [2, 2'-6 ', 2 "-terpyridine] -6, 6 "-dicarbonitrile, hereinafter noted compound 1, according to the following reaction scheme:
- Compound 1 is synthesized as described by Mukkala et al. in Helvetica Chimica Acta 1992, 75, 1621-1632 [9].
- TPDTZ A mixture of 1,133 g (4,51 mmol) of compound 1, 1,300 g (20 mmol) of sodium azide (NaNs) and 1.07 g (20 mmol) of ammonium chloride ( NH 4 Cl) in 36 ml of anhydrous dimethylformamide (DMF) is reacted under argon at 125-130 ° C. for 16 hours. After cooling, the inorganic salts are filtered and the solvent is removed under reduced pressure. The residue is taken up in dilute hydrochloric acid (0.1 M, -16 ml, pH ⁇ 2-3), stirred for 1 hour and recovered by filtration. The product is rinsed with cold water, dried on the filter and then under vacuum.
- DMF dimethylformamide
- TPDTZ in 5 mL of methanol is treated with 71.3 ⁇ L of TEA and subjected to ultrasound. Then, 75.7 mg of neodymium triflate in 1 mL of methanol is added. The resulting opalescent solution is filtered and the filtrate is left at room temperature for crystallization. The crystals thus formed are recovered by filtration, washed with a small volume of methanol, then of ether, and dried in air.
- TPDTZPB which corresponds to the compound of particular formula (II-b) represented above, is synthesized starting from [2, 2'-6 ', 2 "-terpyridine] -4'- (p-bromophenyl) -6,6-dicarbonitrile, hereinafter referred to as compound 2, according to the following reaction scheme:
- the yield can be improved by subjecting the residue, after evaporation of the DMF, to a dilute HCl treatment similar to that applied to the precipitate.
- TPDTZTB which corresponds to the compound of particular formula (II-a) represented above, is synthesized starting from 4'- (5-bromo-2-thienyl) -2,2 '. -6 ', 2 "-terpyridine, hereinafter referred to as compound 3, according to the following reaction scheme:
- Compound 3 is synthesized as described by Ferraudi, Moya et al. In L ⁇ pez et al., Inorganica Chimica Acta 2004, 357, 3525-3531 [H].
- TPDTZTB A mixture of 633 mg (1.425 mmol) of compound 5, 463 mg (7.12 mmol) of NaN 3 and 381 mg (7.12 mmol) of NH 4 Cl in 15 mL of anhydrous DMF is stirred under argon at 140 ° C. for 20 hours. After cooling, a precipitate is recovered by filtration which is treated with dilute hydrochloric acid, with stirring for 1 hour. The organic phase is evaporated and the residue is taken up in dilute HCl, sonicated and stirred for 1 hour. The acid suspensions are combined, filtered, washed with cold water and dried under vacuum.
- H3TTPTCN which corresponds to the compound of particular formula (II-i) represented above, is synthesized starting from 2-cyano-6-methylpyridine, hereinafter denoted compound 6, according to following reaction scheme:
- EXAMPLE 5 PHOTOPHYSICAL PROPERTIES OF THE COMPLEXES OF LANTHANIDES ACCORDING TO THE INVENTION 5.1.
- the photophysical properties exhibited in solution of the europium complex synthesized in Example 1 above (which has for ligand, 2, 2'-6 ', 2 "-terpyridine-6, 6" -diterazole or TPDTZ) have been studied and compared with those of a europium complex having for ligand, 2,2'-6'-2 "- terpyridine-6, 6" -dicarboxylate, hereinafter denoted TPDC, of formula :
- Table 1 below presents the triplet states, the lifetimes and the quantum yields that the complex according to the invention and the complex studied by Latva et al.
- Table 2 below presents the triplet states, the excitation maxima, the lifetimes and the quantum yields of these complexes in the solid state.
- ligands are also capable of efficiently sensitizing neodymium compared to the ligands of the prior art since the quantum yields obtained for the complexes of this lanthanide according to the invention are at least twice as high as those typically reported in the literature for the complexes. of this same lanthanide.
- the europium and terbium complexes according to the invention have very high quantum yields in the solid state.
- the quantum yield obtained for a europium complex prepared from a carboxylate analog of H 3 TTPTCN, in the solid state is only 6%.
- FIG. 7 which represents the electron excitation spectra exhibited in the solid state by the europium complex synthesized in example 1 above (curve A) and the corresponding complex based on TPDC. (curve B), as well as the absorption spectra of a glass substrate (Sl curve) and of an ITO substrate (curve S2), show that the non-overlapping zone of these spectra is much broader in the case of the complex according to the invention.
- this complex can be excited with radiations less energetic than those required for the complex of the prior art, for example at 400 nm, which greatly reduces the probability of degrading it.
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- Organic Chemistry (AREA)
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- Engineering & Computer Science (AREA)
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- Physics & Mathematics (AREA)
- Optics & Photonics (AREA)
- Plural Heterocyclic Compounds (AREA)
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Abstract
Description
Claims
Applications Claiming Priority (2)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| FR0757640A FR2921062A1 (fr) | 2007-09-17 | 2007-09-17 | Composes utiles comme ligands et notamment comme chromophores organiques de complexation des lanthanides et leurs applications |
| PCT/EP2008/062351 WO2009037277A1 (fr) | 2007-09-17 | 2008-09-17 | Composes utiles comme ligands et notamment comme chromophores organiques de complexation des lanthanides et leurs applications |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| EP2188620A1 true EP2188620A1 (fr) | 2010-05-26 |
| EP2188620B1 EP2188620B1 (fr) | 2017-08-23 |
Family
ID=39467194
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| EP08804305.4A Not-in-force EP2188620B1 (fr) | 2007-09-17 | 2008-09-17 | Composes utiles comme ligands et notamment comme chromophores organiques de complexation des lanthanides et leurs applications |
Country Status (4)
| Country | Link |
|---|---|
| US (1) | US9040689B2 (fr) |
| EP (1) | EP2188620B1 (fr) |
| FR (1) | FR2921062A1 (fr) |
| WO (1) | WO2009037277A1 (fr) |
Families Citing this family (10)
| Publication number | Priority date | Publication date | Assignee | Title |
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| JP5677026B2 (ja) * | 2009-10-28 | 2015-02-25 | 住友化学株式会社 | 多座配位子金属錯体 |
| US20120291159A1 (en) | 2009-12-18 | 2012-11-15 | Basf Se | Azoline Compounds for Combating Invertebrate Pests |
| FR2982615A1 (fr) | 2011-11-10 | 2013-05-17 | Commissariat Energie Atomique | Colorant organique et ses utilisations dans les cellules photovoltaiques |
| FR2985509B1 (fr) | 2012-01-11 | 2014-03-21 | Commissariat Energie Atomique | Nanoparticule a emission de photons en cascade codopee en terbium et ytterbium, et fonctionnalisee par un ligand organique. |
| CN103044466B (zh) * | 2012-06-28 | 2015-09-02 | 广东鑫钰新材料股份有限公司 | 联吡啶三唑类稀土配合物及其制备方法 |
| FR2992970B1 (fr) | 2012-07-09 | 2014-07-04 | Commissariat Energie Atomique | Utilisation de complexes de lanthanides pour le marquage optique de produits |
| FR3025206A1 (fr) * | 2014-09-01 | 2016-03-04 | Commissariat Energie Atomique | Encre coloree et luminescente, procede d'elaboration d'une telle encre et procede de marquage d'un substrat par une telle encre. |
| FR3086302B1 (fr) | 2018-09-26 | 2020-12-25 | Commissariat Energie Atomique | Utilisation d'un melange synergique d'extractants pour extraire des terres rares d'un milieu aqueux comprenant de l'acide phosphorique |
| CN113121501B (zh) * | 2020-01-15 | 2022-10-14 | 中国科学院福建物质结构研究所 | C2对称性化合物、镧系有机多面体及其制备方法和应用 |
| CN119613382B (zh) * | 2024-12-09 | 2025-11-21 | 河北工业大学 | 一种以三联吡啶为识别基团且含三个电子给体的探针及其制备方法和应用 |
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| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US5639770A (en) * | 1992-05-29 | 1997-06-17 | Otsuka Pharmaceutical Co., Ltd. | Thiazole derivatives |
| TW313568B (fr) * | 1994-12-20 | 1997-08-21 | Hoffmann La Roche | |
| WO2003003009A1 (fr) * | 2001-06-29 | 2003-01-09 | 7Tm Pharma A/S | Utilisation de chelates a ions metalliques dans la validation de molecules biologiques utilisees comme cibles medicamenteuses dans des modeles animaux experimentaux |
| WO2003003008A1 (fr) * | 2001-06-29 | 2003-01-09 | 7Tm Pharma A/S | Bibliotheques chimiques utiles aux procedes de decouvertes de medicaments |
| EP1746094A4 (fr) * | 2004-03-25 | 2009-06-10 | Hodogaya Chemical Co Ltd | Compose ayant une structure en anneau oxadiazole substituee par un groupe pyridile, et dispositif electroluminescent organique |
| JP4496357B2 (ja) * | 2004-06-04 | 2010-07-07 | 独立行政法人産業技術総合研究所 | フッ素置換イリジウム錯体およびこれを用いた発光材料 |
| EP1833795B1 (fr) * | 2004-12-23 | 2009-03-04 | Glaxo Group Limited | Composes de pyridine destines au traitement de maladies a mediation par prostaglandine |
-
2007
- 2007-09-17 FR FR0757640A patent/FR2921062A1/fr active Pending
-
2008
- 2008-09-17 WO PCT/EP2008/062351 patent/WO2009037277A1/fr not_active Ceased
- 2008-09-17 EP EP08804305.4A patent/EP2188620B1/fr not_active Not-in-force
- 2008-09-17 US US12/733,675 patent/US9040689B2/en active Active
Non-Patent Citations (1)
| Title |
|---|
| See references of WO2009037277A1 * |
Also Published As
| Publication number | Publication date |
|---|---|
| US20110112289A1 (en) | 2011-05-12 |
| FR2921062A1 (fr) | 2009-03-20 |
| US9040689B2 (en) | 2015-05-26 |
| EP2188620B1 (fr) | 2017-08-23 |
| WO2009037277A1 (fr) | 2009-03-26 |
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